Mares Tail

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robo
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Re: Mares Tail

Postby robo » Sat Apr 28, 2018 6:20 pm

The plan is to burn the silicone type coating they have then they should absorb the weed killer ,I can't spell glyphosate
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Tony Hague
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Re: Mares Tail

Postby Tony Hague » Mon May 14, 2018 9:21 pm

Been doing battle with this stuff at the weekend. Here on wet, heavy Bedfordshire clay it is in its element. It is most definitely NOT reduced by attempts to keep hoeing it off, or digging it out. It has simply continued to spread. Its extent is beyond my plot and control, so it can get its energy even if it doesn't see the light of day on my plot.
Removing all the other weeds just makes space for it, and the idea that increasing soil fertility will somehow disadvantage it is fantasy. It has about as much effect on it as using harsh language.

Glyphosate alone does not work. Not even proper Roundup 360. I'm trying one application if pelargonic acid to damage the foliage, followed by one of a fairly stiff mix of glyphosate (don't mix them to save time, I got a precipitate that blocks the sprayer). It looks slightly unwell, but I bet it won't die.

Glufosinate Ammonium apparently does work. Kurtail is the formulation for the job, but it isn't available to amateur gardeners, so it would be very naughty of me to use that.

The ammonium sulphamate sounds tempting, but missing 3 months when the horsetails are growing strongly to take up the chemical effectively means missing a whole year ?
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Colin2016
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Re: Mares Tail

Postby Colin2016 » Tue May 15, 2018 7:25 am

Last year a neighbour spent ages going over her new drive squirting vinegar to get rid of it. Noticed yesterday it is back.
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robo
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Re: Mares Tail

Postby robo » Tue May 15, 2018 8:50 am

I've had a bit of luck in fact I've got a lot of dead ones , the pleasure it gives me when I look at them is immense only trouble is I'm our of spray
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Barry
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Re: Mares Tail

Postby Barry » Tue May 15, 2018 8:14 pm

Tony, there is another possibility. Try mixing 200g of ammonium sulphate with a litre of water and spray that. You are giving the marestail something that burns it horribly. I have cleared some patches using this technique although you do get some regrowth. I don't know exactly why it works. Perhaps it forces the weed to take in more nitrogen than it can cope with, in other words it boosts fertility. Have a go and see what you think. You don't lose the soil for three months either.
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robo
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Re: Mares Tail

Postby robo » Tue May 15, 2018 9:15 pm

My mixture is agrigem this is expensive ,the first couple of times I used it I was disappointed ,a week ago I made a mix using this mixed with glyphosate then watered down to the specified amount , now my plot has dead mares tails everywhere then again wether they regrow is another matter
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